As in the sea in this image looks a lot like a funky kitchen floor. Flag is that of New Zealand (as in home, sweet home!)
The wallpaper version is available at the preceding link.
Today's Gratitude Item: Recyclable resources. Teaching the "Earth and Space" topic last year means having resources that can be reused for this year. Its amazing how much interactive "stuff" is out there on this particular topic. Of all the science topics, outer space is the one which seems to have captured "Joe Public's" imagination the most.